init repo

OfficeWeb/apps/common/main/lib/plugin/ComboBoxScrollPane.js

@@ -0,0 +1,133 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2014
+ *
+ * This program is a free software product. You can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License (AGPL) 
+ * version 3 as published by the Free Software Foundation. In accordance with 
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
+ * EU, LV-1021.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under 
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+ Ext.define("Common.plugin.ComboBoxScrollPane", {
+    extend: "Common.plugin.ScrollPane",
+    alias: "plugin.comboboxscrollpane",
+    areaSelector: ".list-ct",
+    init: function (comboBox) {
+        comboBox.on("expand", this.onExpand, this);
+    },
+    onExpand: function (comboBox) {
+        var me = this;
+        if (!me.picker) {
+            me.picker = comboBox.getPicker();
+            me.picker.on({
+                viewready: me.onViewReady,
+                resize: function () {
+                    me.updateScrollPane();
+                },
+                beforecontainerclick: function () {
+                    return false;
+                },
+                beforeitemmouseenter: function (picker, record, item, index, event, opts) {
+                    if (comboBox.scrolllocked) {
+                        return false;
+                    }
+                },
+                scope: me
+            });
+            me.cmp.on("afterlayout", me.onViewReady, me, {
+                single: true
+            });
+            comboBox.on("keydown", me.onKeyDown, me);
+            var store = comboBox.getStore();
+            store.on("datachanged", me.onDataChanged, me, {
+                buffer: 10
+            });
+        }
+    },
+    onKeyDown: function (cmp, e, eOpts) {
+        var me = this;
+        var highlightAt = function (index) {
+            var boundList = me.picker,
+            item = boundList.all.item(index);
+            if (item) {
+                var container = Ext.getDom(boundList.getTargetEl()) || Ext.getBody().dom;
+                var el = item.dom,
+                offsets = item.getOffsetsTo(container),
+                top = offsets[1] + container.scrollTop,
+                bottom = top + el.offsetHeight,
+                ctClientHeight = container.clientHeight,
+                ctScrollTop = parseInt(container.scrollTop, 10),
+                ctBottom = ctScrollTop + ctClientHeight;
+                if (el.offsetHeight > ctClientHeight || top < ctScrollTop) {
+                    if (me.jspApi) {
+                        me.jspApi.scrollByY(top, false);
+                    }
+                } else {
+                    if (bottom > ctBottom) {
+                        if (me.jspApi) {
+                            me.jspApi.scrollByY(bottom - ctClientHeight, false);
+                        }
+                    }
+                }
+            }
+        };
+        switch (e.getKey()) {
+        case e.UP:
+            var boundList = me.picker,
+            allItems = boundList.all,
+            oldItem = boundList.highlightedItem,
+            oldItemIdx = oldItem ? boundList.indexOf(oldItem) : -1,
+            newItemIdx = oldItemIdx > 0 ? oldItemIdx - 1 : allItems.getCount() - 1;
+            highlightAt(newItemIdx);
+            break;
+        case e.DOWN:
+            var boundList = me.picker,
+            allItems = boundList.all,
+            oldItem = boundList.highlightedItem,
+            oldItemIdx = oldItem ? boundList.indexOf(oldItem) : -1,
+            newItemIdx = oldItemIdx < allItems.getCount() - 1 ? oldItemIdx + 1 : 0;
+            highlightAt(newItemIdx);
+            break;
+        case e.PAGE_UP:
+            case e.PAGE_DOWN:
+            break;
+        case e.HOME:
+            highlightAt(0);
+            break;
+        case e.END:
+            highlightAt(me.picker.all.getCount() - 1);
+            break;
+        }
+    },
+    onViewReady: function () {
+        var me = this;
+        me.initScrollPane(me.picker.getEl().dom);
+    },
+    onDataChanged: function () {
+        var me = this;
+        if (me.picker.getWidth() && me.picker.getHeight()) {
+            me.initScrollPane(me.picker.getEl().dom);
+        }
+    }
+});

OfficeWeb/apps/common/main/lib/plugin/DataViewScrollPane.js

@@ -0,0 +1,104 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2014
+ *
+ * This program is a free software product. You can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License (AGPL) 
+ * version 3 as published by the Free Software Foundation. In accordance with 
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
+ * EU, LV-1021.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under 
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+ Ext.define("Common.plugin.DataViewScrollPane", {
+    extend: "Common.plugin.ScrollPane",
+    alias: "plugin.dataviewscrollpane",
+    areaSelector: ".x-component",
+    init: function (cmp) {
+        var me = this,
+        store;
+        me.callParent(arguments);
+        store = me.cmp.getStore();
+        if (store) {
+            store.on("datachanged", function () {
+                me.cmp && me.cmp.rendered && me.cmp.getWidth() > 0 && me.cmp.getHeight() > 0 && me.updateScrollPane();
+            },
+            me, {
+                buffer: 10
+            });
+        }
+        me.cmp.on("viewready", me.onViewReady, me, {
+            single: true
+        });
+    },
+    onKeyDown: function (e, eOpts) {
+        var me = this;
+        var store = me.cmp.getStore();
+        var highlightAt = function (index) {
+            var item = me.cmp.getNode(store.getAt(index)),
+            itemEl = Ext.create("Ext.Element", item);
+            if (item) {
+                var container = Ext.getDom(me.cmp.getTargetEl()) || Ext.getBody().dom;
+                var offsets = itemEl.getOffsetsTo(container),
+                top = offsets[1] + container.scrollTop,
+                bottom = top + item.offsetHeight,
+                ctClientHeight = container.clientHeight,
+                ctScrollTop = parseInt(container.scrollTop, 10),
+                ctBottom = ctScrollTop + ctClientHeight;
+                if (item.offsetHeight > ctClientHeight || top < ctScrollTop) {
+                    if (me.jspApi) {
+                        me.jspApi.scrollByY(top, false);
+                    }
+                } else {
+                    if (bottom > ctBottom) {
+                        if (me.jspApi) {
+                            me.jspApi.scrollByY(bottom - ctClientHeight, false);
+                        }
+                    }
+                }
+            }
+        };
+        switch (e.getKey()) {
+        case e.UP:
+            case e.DOWN:
+            var currItem = me.cmp.getSelectionModel().getLastSelected(),
+            currItemIdx = currItem ? store.indexOf(currItem) : -1;
+            highlightAt(currItemIdx);
+            break;
+        case e.PAGE_UP:
+            case e.PAGE_DOWN:
+            break;
+        case e.HOME:
+            me.cmp.select(0);
+            highlightAt(0);
+            break;
+        case e.END:
+            me.cmp.select(store.count() - 1);
+            highlightAt(store.count() - 1);
+            break;
+        }
+    },
+    onViewReady: function () {
+        var me = this;
+        me.cmp.getEl().on("keydown", me.onKeyDown, me);
+    }
+});

OfficeWeb/apps/common/main/lib/plugin/GridScrollPane.js

@@ -0,0 +1,105 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2014
+ *
+ * This program is a free software product. You can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License (AGPL) 
+ * version 3 as published by the Free Software Foundation. In accordance with 
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
+ * EU, LV-1021.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under 
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+ Ext.define("Common.plugin.GridScrollPane", {
+    extend: "Common.plugin.ScrollPane",
+    alias: "plugin.gridscrollpane",
+    areaSelector: ".x-grid-view",
+    settings: {
+        enableKeyboardNavigation: true,
+        keyboardSpeed: 0.001
+    },
+    init: function (cmp) {
+        var me = this,
+        store;
+        me.callParent(arguments);
+        store = me.cmp.getStore();
+        if (store) {
+            store.on("datachanged", me.updateScrollPane, me, {
+                buffer: 10
+            });
+        }
+        me.cmp.on("viewready", me.onViewReady, me, {
+            single: true
+        });
+    },
+    onKeyDown: function (e, eOpts) {
+        var me = this;
+        var store = me.cmp.getStore();
+        var highlightAt = function (index) {
+            var item = me.cmp.getView().getNode(store.getAt(index)),
+            itemEl = Ext.create("Ext.Element", item);
+            if (item) {
+                var container = Ext.getDom(me.cmp.getTargetEl()) || Ext.getBody().dom;
+                var offsets = itemEl.getOffsetsTo(container),
+                top = offsets[1] + container.scrollTop,
+                bottom = top + item.offsetHeight,
+                ctClientHeight = container.clientHeight,
+                ctScrollTop = parseInt(container.scrollTop, 10),
+                ctBottom = ctScrollTop + ctClientHeight;
+                if (item.offsetHeight > ctClientHeight || top < ctScrollTop) {
+                    if (me.jspApi) {
+                        me.jspApi.scrollByY(top, false);
+                    }
+                } else {
+                    if (bottom > ctBottom) {
+                        if (me.jspApi) {
+                            me.jspApi.scrollByY(bottom - ctClientHeight, false);
+                        }
+                    }
+                }
+            }
+        };
+        switch (e.getKey()) {
+        case e.UP:
+            case e.DOWN:
+            var currItem = me.cmp.getSelectionModel().getLastSelected(),
+            currItemIdx = currItem ? store.indexOf(currItem) : -1;
+            highlightAt(currItemIdx);
+            break;
+        case e.PAGE_UP:
+            case e.PAGE_DOWN:
+            break;
+        case e.HOME:
+            highlightAt(0);
+            break;
+        case e.END:
+            highlightAt(store.count() - 1);
+            break;
+        }
+    },
+    onViewReady: function () {
+        var me = this;
+        me.cmp.getView().getEl().on("keydown", me.onKeyDown, me, {
+            stopEvent: true
+        });
+    }
+});

OfficeWeb/apps/common/main/lib/plugin/MenuExpand.js

@@ -0,0 +1,113 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2014
+ *
+ * This program is a free software product. You can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License (AGPL) 
+ * version 3 as published by the Free Software Foundation. In accordance with 
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
+ * EU, LV-1021.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under 
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+ Ext.define("Common.plugin.MenuExpand", {
+    extend: "Ext.AbstractPlugin",
+    alias: "plugin.menuexpand",
+    init: function (cmp) {
+        var me = this,
+        originLeave = cmp.onMouseLeave;
+        cmp.onMouseLeave = function (e) {
+            originLeave.apply(cmp, arguments);
+            if (cmp.parentItem) {
+                cmp.parentItem.menuEntered = false;
+            }
+        };
+        cmp.onMouseOver = me.onMouseOver;
+        cmp.checkItemMenuEntered = me.checkItemMenuEntered;
+        me.callParent(arguments);
+    },
+    checkItemMenuEntered: function () {
+        var me = this;
+        if (me.activeItem && me.activeItem.menuEntered && me.MouseOverInterval) {
+            clearInterval(me.MouseOverInterval);
+            me.MouseOverInterval = undefined;
+            me.activeItem.menuEntered = false;
+            if (me.checkeditem) {
+                me.checkeditem.el.removeCls(me.checkeditem.activeCls);
+            }
+            me.activeItem.el.addCls(me.activeItem.activeCls);
+        }
+    },
+    onMouseOver: function (e) {
+        var me = this,
+        fromEl = e.getRelatedTarget(),
+        mouseEnter = !me.el.contains(fromEl),
+        item = me.getItemFromEvent(e);
+        if (mouseEnter && me.parentMenu) {
+            me.parentMenu.setActiveItem(me.parentItem);
+            me.parentMenu.mouseMonitor.mouseenter();
+        }
+        if (me.disabled) {
+            return;
+        }
+        if (me.checkeditem && item != me.checkeditem) {
+            me.checkeditem.el.removeCls(me.checkeditem.activeCls);
+        }
+        if (me.checkeditem = item) {
+            me.checkeditem.el.addCls(me.checkeditem.activeCls);
+        }
+        if (me.activeItem && me.activeItem.menu) {
+            if (item && (item != me.activeItem && item != me.focusedItem) && me.MouseOverInterval === undefined) {
+                var counter = 0;
+                me.activeItem.menuEntered = false;
+                me.MouseOverInterval = setInterval(function () {
+                    me.checkItemMenuEntered();
+                    if (counter++>8) {
+                        clearInterval(me.MouseOverInterval);
+                        me.MouseOverInterval = undefined;
+                        if (me.checkeditem) {
+                            me.setActiveItem(me.checkeditem);
+                            if (me.checkeditem.activated && me.checkeditem.expandMenu) {
+                                me.checkeditem.expandMenu();
+                            }
+                        }
+                    }
+                },
+                20);
+            }
+        } else {
+            if (item) {
+                me.setActiveItem(item);
+                if (item.activated && item.expandMenu) {
+                    item.expandMenu();
+                }
+            }
+        }
+        if (mouseEnter) {
+            if (me.parentItem) {
+                me.parentItem.menuEntered = true;
+            }
+            me.fireEvent("mouseenter", me, e);
+        }
+        me.fireEvent("mouseover", me, item, e);
+    }
+});

OfficeWeb/apps/common/main/lib/plugin/ScrollPane.js

@@ -0,0 +1,158 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2014
+ *
+ * This program is a free software product. You can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License (AGPL) 
+ * version 3 as published by the Free Software Foundation. In accordance with 
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
+ * EU, LV-1021.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under 
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+ Ext.define("Common.plugin.ScrollPane", {
+    extend: "Ext.AbstractPlugin",
+    alias: "plugin.scrollpane",
+    areaSelector: ".x-panel-body",
+    settings: {},
+    init: function (cmp) {
+        var me = this,
+        origin;
+        me.settings = $.extend({
+            enableKeyboardNavigation: true,
+            verticalDragMinHeight: 16,
+            horizontalDragMinWidth: 16
+        },
+        me.settings);
+        origin = cmp.afterComponentLayout;
+        cmp.afterComponentLayout = function (width, height) {
+            origin.apply(cmp, arguments);
+            if (width > 0 && height > 0) {
+                me.initScrollPane();
+            }
+        };
+        me.callParent(arguments);
+    },
+    initScrollPane: function (domEl) {
+        var me = this,
+        children, jspCt, elem;
+        if (me.initializing) {
+            return;
+        }
+        me.initializing = true;
+        if (!me.area || !me.area.length) {
+            elem = domEl || me.cmp.getEl().dom;
+            me.area = $(elem).find("*").andSelf().filter(me.areaSelector).first();
+        }
+        children = me.area.children();
+        jspCt = children.filter("div.jspContainer");
+        if (children.length > 1 && jspCt.length > 0) {
+            jspCt.replaceWith($(".jspPane", jspCt).children());
+            jspCt = $();
+        }
+        if (me.jspApi && jspCt.length === 0) {
+            me.area.removeData("jsp");
+        }
+        me.area.jScrollPane(me.settings);
+        me.jspApi = me.area.data("jsp");
+        me.doLayout();
+        delete me.initializing;
+        elem = domEl || me.cmp.getEl().dom;
+        this._initSelectingScroll(elem);
+        if (jspCt.length) {
+            var thumb = jspCt.find(">.jspVerticalBar").find(">.jspTrack").find(">.jspDrag");
+            thumb.on("mousedown.asc", function (event) {
+                if (thumb[0].setCapture) {
+                    thumb[0].setCapture();
+                }
+                me.cmp.scrolllocked = true;
+                $("html").bind("mouseup.asc", function (e) {
+                    if (thumb[0].releaseCapture) {
+                        thumb[0].releaseCapture();
+                    }
+                    me.cmp.scrolllocked = false;
+                    $("html").unbind("mouseup.asc");
+                });
+                return false;
+            });
+        }
+    },
+    _initSelectingScroll: function (elem) {
+        var me = this;
+        $(elem).off("mousedown.jsp");
+        $(elem).on("mousedown.jsp", function (event) {
+            $(document).on("mousemove.jsp", _onTextSelectionScrollMouseMove);
+            $(document).on("mouseup.jsp", function (event) {
+                $(document).off("mousemove.jsp").off("mouseup.jsp");
+                _clearTextSelectionInterval();
+            });
+        });
+        var getPos = function (event, c) {
+            var p = c == "X" ? "Left" : "Top";
+            return event["page" + c] || (event["client" + c] + (document.documentElement["scroll" + p] || document.body["scroll" + p])) || 0;
+        };
+        var textSelectionInterval;
+        var _onTextSelectionScrollMouseMove = function (event) {
+            var offset = $(elem).offset().top;
+            var maxOffset = offset + $(elem).innerHeight();
+            var mouseOffset = getPos(event, "Y");
+            var textDragDistanceAway = mouseOffset < offset ? mouseOffset - offset : (mouseOffset > maxOffset ? mouseOffset - maxOffset : 0);
+            if (textDragDistanceAway == 0) {
+                _clearTextSelectionInterval();
+            } else {
+                if (!textSelectionInterval) {
+                    textSelectionInterval = setInterval(function () {
+                        me.jspApi.scrollByY(textDragDistanceAway);
+                    },
+                    10);
+                }
+            }
+        };
+        var _clearTextSelectionInterval = function () {
+            if (textSelectionInterval) {
+                clearInterval(textSelectionInterval);
+                textSelectionInterval = undefined;
+            }
+        };
+    },
+    updateScrollPane: function (domEl) {
+        this.initScrollPane(domEl);
+        if (this.area) {
+            this.area.attr("tabindex", "-1");
+        }
+    },
+    scrollToElement: function (elem, stickToTop, animate) {
+        var me = this;
+        if (me.jspApi) {
+            me.jspApi.scrollToElement(elem, stickToTop, animate);
+        }
+    },
+    doLayout: function () {
+        var me = this,
+        items = me.cmp.items;
+        if (items && typeof items.each === "function") {
+            items.each(function (item) {
+                item.doComponentLayout();
+            });
+        }
+    }
+});

OfficeWeb/apps/common/main/lib/plugin/TextAreaAutoHeight.js

@@ -0,0 +1,121 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2014
+ *
+ * This program is a free software product. You can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License (AGPL) 
+ * version 3 as published by the Free Software Foundation. In accordance with 
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
+ * EU, LV-1021.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under 
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+ Ext.define("Common.plugin.TextAreaAutoHeight", {
+    extend: "Ext.AbstractPlugin",
+    alias: "plugin.textareaautoheight",
+    settings: {
+        minHeight: 32,
+        maxHeight: 120,
+        growStep: 17
+    },
+    init: function (cmp) {
+        this.callParent(arguments);
+        cmp.addEvents("elastic");
+        cmp.on("afterrender", this.onAfterRender, this);
+        cmp.on("change", this.onChange, this);
+    },
+    onAfterRender: function (cmp) {
+        var textareaEl = cmp.getEl().down("textarea");
+        if (textareaEl) {
+            this.initHelper(textareaEl.id);
+            this.elasticTextArea(textareaEl.id);
+        }
+    },
+    onChange: function (cmp) {
+        if (!this.textareaElId) {
+            this.textareaElId = cmp.getEl().down("textarea").id;
+        }
+        this.elasticTextArea(this.textareaElId);
+    },
+    initHelper: function (elementId) {
+        var getStyles = function (el, args) {
+            var ret = {},
+            total = args.length;
+            for (var n = 0; n < total; n++) {
+                ret[args[n]] = el.getStyle(args[n]);
+            }
+            return ret;
+        };
+        var applyStyles = function (el, styles) {
+            if (styles) {
+                var i = 0,
+                len;
+                el = Ext.fly(el);
+                if (Ext.isFunction(styles)) {
+                    styles = styles.call();
+                }
+                if (typeof styles == "string") {
+                    styles = styles.split(/:|;/g);
+                    for (len = styles.length; i < len;) {
+                        el.setStyle(styles[i++], styles[i++]);
+                    }
+                } else {
+                    if (Ext.isObject(styles)) {
+                        el.setStyle(styles);
+                    }
+                }
+            }
+        };
+        this.domEl = Ext.get(elementId);
+        this.textareaElId = elementId;
+        var styles = getStyles(this.domEl, ["font-size", "font-family", "font-weight", "font-style", "line-height", "letter-spacing", "padding-left", "padding-top", "padding-right", "padding-bottom"]);
+        this.domEl.setStyle("overflow", "hidden");
+        if (!this.helperEl) {
+            this.helperEl = Ext.DomHelper.append(this.domEl.parent(), {
+                id: elementId + "-textarea-elastic-helper",
+                tag: "div",
+                style: "position: absolute; top: 0; left: 0; visibility: hidden; white-space: pre-wrap; word-wrap: break-word;"
+            },
+            true);
+            applyStyles(this.helperEl, styles);
+        }
+    },
+    elasticTextArea: function (elementId) {
+        var me = this,
+        value = this.domEl.dom.value || "&nbsp;";
+        this.helperEl.setWidth(this.domEl.getWidth());
+        this.helperEl.update(value.replace(/<br \/>&nbsp;/, "<br />").replace(/<|>/g, " ").replace(/&/g, "&amp;").replace(/\n/g, "<br />"));
+        var textHeight = this.helperEl.getHeight();
+        if ((textHeight > me.settings.maxHeight) && (me.settings.maxHeight > 0)) {
+            textHeight = me.settings.maxHeight;
+            this.domEl.setStyle("overflow", "auto");
+        }
+        if ((textHeight < me.settings.minHeight) && (me.settings.minHeight > 0)) {
+            textHeight = me.settings.minHeight;
+        }
+        var newHeight = textHeight + me.settings.growStep;
+        if (me.cmp.getHeight() != newHeight) {
+            me.cmp.setHeight(newHeight);
+            me.cmp.fireEvent("elastic", me.cmp, this.domEl.getWidth(), newHeight);
+        }
+    }
+});